<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>提交失败</title>
</head>
<body>
<h1>提交失败，原因是输入的带括号题目数量大于总题目数量或者输入的挑战的年级大于6小于等于0</h1>
<a th:href="@{/testpage}">返回输入页面</a>
</body>
</html>